The Wurlitzer Tone Arm Feed-In Lever Assembly # 20497 is used in models 312, 412, 616, 716, Model 24, 500, 600, 700, 800, 750, 750E, 780, 780E, 850, 950, 1015 and 1080.

The complete assembly consists of one each of the following parts:
Tone Arm Feed-In Lever Arm # 20494, Tone Arm Feed-In Lever Weight # 22000, Shoulder Screw # 20318, Screw # 630 and Lock Washer # 617.

It is shown on page 15 of the model 1015 Parts Catalog and on page 31 of the model 500 and 600 Parts Catalog.
It is also shown on page 33 of the Wurlitzer models 700 and 800 Parts Catalog.